( | 353 2 | + | 317 | ) | ÷ | 31 | × | x | + | 104 | ÷ | 31 | × | ( | x | + | 15 | ) | + | 124 | ÷ | 31 | × | ( | x | + | 30 | ) | = | 846 |
方程左边 = | ( | 353 2 | + | 317 | ) | × | 1 31 | x | + | 104 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
( | 353 2 | + | 317 | ) | × | 1 31 | x | + | 104 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) | = | 846 |
方程左边 = | 353 2 | × | 1 31 | x | + | 317 | × | 1 31 | x | + | 104 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 353 62 | x | + | 317 31 | x | + | 104 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 987 62 | x | + | 104 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 987 62 | x | + | 104 31 | x | + | 104 31 | × | 15 | + | 4 | ( | x | + | 30 | ) |
= | 987 62 | x | + | 104 31 | x | + | 1560 31 | + | 4 | ( | x | + | 30 | ) |
= | 1195 62 | x | + | 1560 31 | + | 4 | ( | x | + | 30 | ) |
= | 1195 62 | x | + | 1560 31 | + | 4 | x | + | 4 | × | 30 |
= | 1195 62 | x | + | 1560 31 | + | 4 | x | + | 120 |
= | 1443 62 | x | + | 5280 31 |
1443 62 | x | + | 5280 31 | = | 846 |
1443 62 | x | = | 846 | − | 5280 31 |
1443 62 | x | = | 20946 31 |
x | = | 20946 31 | ÷ | 1443 62 |
= | 20946 31 | × | 62 1443 |
= | 6982 | × | 2 481 |
x | = | 13964 481 |
x | = | 29.031185 |